There are 21 Heroes in total, and they are divided into four different combat categories: Offense, Defense, Support and Tank. Each hero character has his/her unique abilities. Some characters also do a better job that counter other heroes in battle, and the real art of war lies in blending the right heroes together for the maps at hand. All the heroes in Overwatch are pretty well balanced, but some ones can make a big difference when played alongside random teammates. If you're not sure which He